need more battery back up, and incoming caller tower locator and about your services.
Company must be own service center on all districts in Kerala, now its running under contract biases, it is not fair, and also loosing valuable costumers, please take necessary action on this ,

howard, 27 Aug 2013xperia SP is better, it have adreno 320 and 1,7 dual core krait.
xperia SP also have the ultimate feature "no wifi signal" or "weak wifi signal" or wifi bug.
search first before comment, this is gsmarena not fanboy arena